package com.ysd.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.ysd.common.utils.R;
import com.ysd.gulimall.auth.feign.MemberFeignService;
import com.ysd.gulimall.auth.util.HttpUtils;
import com.ysd.common.vo.MemberRespVo;
import com.ysd.gulimall.auth.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;

@Slf4j
@Controller
public class OAuth2Controller {

    @Autowired
    MemberFeignService memberFeignService;

    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code, HttpSession session) throws Exception {

        //1、根据code换取accessToken
        Map<String, String> map = new HashMap<>();
        map.put("client_id", "540385382");
        map.put("client_secret", "ab4a147b70c58f89b8e668974b1c5838");
        map.put("grant_type", "authorization_code");
        map.put("redirect_uri", "http://127.0.0.1:12000/oauth2.0/weibo/success");
        map.put("code", code);
        HttpResponse response = HttpUtils.doPost("https://api.weibo.com", "/oauth2/access_token", "post", new HashMap<String, String>(), null, map);

        if (response.getStatusLine().getStatusCode() == 200){
            //获取到accessToken

            String json = EntityUtils.toString(response.getEntity());

            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);

            R oauthlogin = memberFeignService.oauthlogin(socialUser);

            if (oauthlogin.getCode() == 0){
                MemberRespVo data = oauthlogin.getData("data", new TypeReference<MemberRespVo>() {
                });
                log.info("登录成功：用户：{}", data.toString());

                session.setAttribute("loginUser", data);
                //2、登录成功就跳回首页
                return "redirect:http://localhost:10000/";
            }else {
                //去登录页
                return "redirect:http://127.0.0.1:12000/login.html";
            }
        }else{
            //去登录页
            return "redirect:http://127.0.0.1:12000/login.html";
        }
    }

}
